General Electric Telephone 2-9710A 3V Headset Battery Replacement

Using a plastic opening tool, remove the phone cord from the phone jack at the base of the headset.

Remove the 7.5 mm screw.

Remove the screw cap.

Pull up the phone cord to remove it from the base.

Remove the plastic cover with a plastic opening tool by gently sliding the tool underneath the plastic and pry the cover off.

Remove the paper with a plastic opening tool by gently sliding the tool underneath and prying the paper away from the phone.

Remove the rubber stopper with a plastic opening tool by gently sliding the tool underneath and pry away from the phone.

Remove the two 2.1 mm screws with a Phillips #1 screwdriver.

Pull apart the handset by pulling the top shell away from the other half of the phone.

Remove 3 screws attaching the motherboard to shell.

Remove the 13 mm screw with a Philips #1 screwdriver.

Remove the two 13 mm screws with washers with a Philips #1 screwdriver.

Slide the phone jack out from the shell by gently lifting up the female phone jack connector.

Without removing the motherboard completely, pull up slightly and pivot the motherboard out of the shell.

Use tweezers to apply pressure on battery holder tabs.

Apply pressure directly on battery holder to slide it through the shell.

Battery is going to slide through the bottom.

Lift tabs on the side of the holder by putting your fingers directly on the tab to pull it apart.

While holding the battery, remove it from the holder.

Now insert the new battery.

Ensure that the positive side of the battery is facing the tabs.